Home / 16,939.44-23,378.63-10,228.86

Finding the Fourth Proportional to 16,939.44, 23,378.63 and 10,228.86

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Solution

The fourth proportional to 16,939.44, 23,378.63 and 10,228.86 is: 14,117.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,939.44 : 23,378.63 = 10,228.86 : x
  2. Step 2: Convert to fraction form
    16,939.44/23,378.63 = 10,228.86/x
  3. Step 3: Cross multiply
    16,939.44x = 23,378.63 × 10,228.86
  4. Step 4: Simplify right side
    16,939.44x = 239,136,682.12
  5. Step 5: Solve for x
    x = 239,136,682.12/16,939.44
  6. Step 6: Final answer
    x = 14,117.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.